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Spiral unique sequence: A new rotation invariant feature for small-size image block matching

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4 Author(s)
Sekeh, M.A. ; Fac. of Comput. Sci. & Inf. Syst., Univ. Teknol. Malaysia, Skudai, Malaysia ; Maarof, M.A. ; Rohani, M.F. ; Motiei, M.

Matching features of all image overlapping blocks is a common method to explore duplicated regions. In this way, the block size should be small in order to detect small forgery regions. The problem is how to extract a robust feature for small block size against rotation and compression. In this paper, a new spatial domain feature for block size 8×8 pixels namely Spiral Unique Sequence (SUS) is proposed. The experimental results and SUS feature matching demonstrate that this feature is robust against rotation and compression.

Published in:

Signal and Image Processing Applications (ICSIPA), 2011 IEEE International Conference on

Date of Conference:

16-18 Nov. 2011